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Chernikovite

A valid IMA mineral species
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02567980015738860525919.jpg
Chernikovite

Perus, São Paulo, São Paulo, Brazil
00487560015784805633162.jpg
Chernikovite, etc.

Pinhal do Souto Mine, Tragos, Tavares, Mangualde, Viseu, Portugal
00787540017059600928598.jpg
Chernikovite, etc.

Pinhal do Souto Mine, Tragos, Tavares, Mangualde, Viseu, Portugal
05835710015225519557167.jpg
Chernikovite

Perus, São Paulo, São Paulo, Brazil
09370380015783565444203.jpg
Chernikovite, etc.

Pinhal do Souto Mine, Tragos, Tavares, Mangualde, Viseu, Portugal
06114590017059601174316.jpg
Chernikovite, etc.

Pinhal do Souto Mine, Tragos, Tavares, Mangualde, Viseu, Portugal
02567980015738860525919.jpg
Chernikovite

Perus, São Paulo, São Paulo, Brazil
08079300015786722779492.jpg
Chernikovite, etc.

Pinhal do Souto Mine, Tragos, Tavares, Mangualde, Viseu, Portugal
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About ChernikoviteHide

08786180015611973571310.jpg
Andrei A. Chernikov
Formula:
(H3O)2(UO2)2(PO4)2 · 6H2O
Colour:
pale yellow
Lustre:
Vitreous
Hardness:
2 - 2½
Specific Gravity:
3.259
Crystal System:
Tetragonal
Name:
Synthethic material was known first, and referred to as 'hydrogen autunite'. Chernikov reported natural material in 1958, using the same name, but it was never approved by the IMA. The mineral was renamed in 1998 by Daniel Atencio in honor of Andrei Andreevich Chernikov (Андрей Андреевич Черников) (b. 1927), mineralogist and geochemist at the Fersman Mineralogical Museum, Russia and an expert on uranium mineralization.
Meta-autunite Group. The most simple valid uranyl phosphate mineral. Compare 'UM1963-03-PO:HU'.


Unique IdentifiersHide

Mindat ID:
991
Long-form identifier:
mindat:1:1:991:9
GUID
(UUID V4):
12833d3f-46e9-4c74-bcc3-4124c7337a12

IMA Classification of ChernikoviteHide

Classification of ChernikoviteHide

Strunz-mindat (2024):
8.EB.15

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
Dana 8th ed.:
40.2a.19.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
Hey's CIM Ref.:
19.11.4

19 : Phosphates
11 : Phosphates of U

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
CkvIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of ChernikoviteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of ChernikoviteHide

Lustre:
Vitreous
Colour:
pale yellow
Streak:
yellowish white
Hardness:
2 - 2½ on Mohs scale
Cleavage:
Perfect
{001}
Density:
3.259 g/cm3 (Measured)    3.261(3) g/cm3 (Calculated)

Optical Data of ChernikoviteHide

Type:
Uniaxial (-)
RI values:
nω = 1.579 nε = 1.568
2V:
Measured: 5° to 10°
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Weak
Comments:
Slight to none
Comments:
MAy be anomalously biaxial

Chemistry of ChernikoviteHide

Mindat Formula:
(H3O)2(UO2)2(PO4)2 · 6H2O
Elements listed:
H, O, P, U - search for minerals with similar chemistry

Crystallography of ChernikoviteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P4/nmm
Setting:
P4/nmm
Cell Parameters:
a = 7.03 Å, c = 9.03 Å
Ratio:
a:c = 1 : 1.284
Unit Cell V:
446.27 ų (Calculated from Unit Cell)
Z:
1

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019269ChernikoviteMorosin B (1978) Hydrogen uranyl phosphate tetrahydrate, a hydrogen ion solid electrolyte Acta Crystallographica B34 3732-37341978synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.99 Å(100)
3.54 Å(100)
3.26 Å(100)
5.51 Å(90)
3.82 Å(80)
2.16 Å(70)
2.09 Å(70)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]
47f : [Uranyl (U⁶⁺) minerals]

Type Occurrence of ChernikoviteHide

Type Locality:
ⓘ Karakat U Deposit, Adrasmon (Adrasman), Ghafurov District, Sughd, Tajikistan
General Appearance of Type Material:
thin platy crystals
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia,
88655.
Geological Setting of Type Material:
fissures in quartz syenite and around fossil wood
Associated Minerals at Type Locality:
AutuniteMeta-autuniteMetanatroautunite
Reference:
Atencio, D. (1988) Chernikovite. A new mineral name for (H3O)2(UO2)2(PO4)2.6H2O superseding "hydrogen autunite". Mineralogical Record: 19: 249-252.

Other Language Names for ChernikoviteHide

Relationship of Chernikovite to other SpeciesHide

Member of:
Meta-autunite Group
Other Members of this group:
AbernathyiteK(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon. 2/m
Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
Meta-autuniteCa(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m)
MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OMon. 2 : P21
MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
MetalodèviteZn(UO2)2(AsO4)2 · 10H2OTet. 4/m : P42/m
MetanatroautuniteNa(UO2)(PO4)(H2O)3Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
MetarauchiteNi(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
MetauranocirciteBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
NatrouranospiniteNa2(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
Trögerite(H3O)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
Uramarsite(NH4)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
Uramphite(NH4)2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/ncc

Common AssociatesHide

Associated Minerals Based on Photo Data:
4 photos of Chernikovite associated with Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
4 photos of Chernikovite associated with AutuniteCa(UO2)2(PO4)2 · 10-12H2O
2 photos of Chernikovite associated with GypsumCaSO4 · 2H2O
2 photos of Chernikovite associated with MetatorberniteCu(UO2)2(PO4)2 · 8H2O
1 photo of Chernikovite associated with Limonite
1 photo of Chernikovite associated with QuartzSiO2

Related Minerals - Strunz-mindat GroupingHide

8.EB.Meta-autunite GroupA1-2(UO2)2(TO4)2 · 5-10H2O
8.EB.05AutuniteCa(UO2)2(PO4)2 · 10-12H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.EB.05HeinrichiteBa(UO2)2(AsO4)2 · 10H2OMon. 2/m : P2/b
8.EB.05KahleriteFe(UO2)2(AsO4)2 · 12H2OTet. 4/m : P42/n
8.EB.05HydronováčekiteMg(UO2)2(AsO4)2 · 12H2OTric. 1 : P1
8.EB.05SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m
8.EB.05TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
8.EB.05UranospiniteCa(UO2)2(AsO4)2 · 10H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.05Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2OTet.
8.EB.05ZeuneriteCu(UO2)2(AsO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05MetarauchiteNi(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.05NováčekiteMg(UO2)2(AsO4)2 · 10H2OMon. 2/m
8.EB.05RauchiteNi(UO2)2(AsO4)2 · 10H2OTric. 1 : P1
8.EB.10BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
8.EB.10LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon. 2/m
8.EB.10Meta-autuniteCa(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m)
8.EB.10MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
8.EB.10MetauranocirciteBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
8.EB.10MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OMon. 2 : P21
8.EB.10MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2OTet.
8.EB.10Pseudo-autunite(H3O)4Ca2(UO2)2(PO4)4 · 5H2OOrth.
8.EB.10MetanatroautuniteNa(UO2)(PO4)(H2O)3Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
8.EB.15AbernathyiteK(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
8.EB.15Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15NatrouranospiniteNa2(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Trögerite(H3O)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Uramphite(NH4)2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
8.EB.15Uramarsite(NH4)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
8.EB.20ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2OMon.
8.EB.20ChistyakovaiteAl(UO2)2(AsO4)2(F,OH) · 6.5H2OMon.
8.EB.25ArsenuranospathiteAl(UO2)2(AsO4)2F · 20H2OOrth. mm2 : Pnn2
8.EB.25Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)Orth. mm2 : Pnn2
8.EB.30Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2OMon.
8.EB.35CoconinoiteFe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2OMon.
8.EB.40RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2OMon.
8.EB.45TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2OTric.
8.EB.50FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2OTric. 1 : P1
8.EB.55SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m
8.EB.60Horákite(Bi7O7OH)[(UO2)4(PO4)2(AsO4)2(OH)2] · 3.5H2OMon. 2/m : B2/b

Fluorescence of ChernikoviteHide

In UV light:
intense yellow green

Other InformationHide

Notes:
Radioactive
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for ChernikoviteHide

References for ChernikoviteHide

Localities for ChernikoviteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Belgium
 
  • Wallonia
    • Luxembourg
Dejonghe et al. (1982) +1 other reference
Brazil
 
  • São Paulo
    • São Paulo
D Atencio & R Hypolito () +1 other reference
Fosfatos e Silicatos Secundários de ...
Czech Republic
 
  • Karlovy Vary Region
    • Cheb District
      • Lázně Kynžvart
Pauliš P. et al. (Kutna Hora, issue 1)
France
 
  • Brittany
    • Morbihan
      • Pontivy
        • Guern
- (1998)
Gabon
 
  • Haut-Ogooué Province
    • Léboumbi-Leyou Department
Jensen et al. (2002)
Germany
 
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Waidhaus
          • Hagendorf
Dill H.G.: "Mineralogical and chemical ...
Schnorrer-Köhler et al. (1989)
      • Tirschenreuth District
        • Mähring
          • Poppenreuth bei Tirschenreuth
            • Uranium deposit
Weiß (1990)
Weiß (1990)
  • Saxony
    • Erzgebirgskreis
      • Schwarzenberg
Witzke (1995)
  • Thuringia
    • Greiz District
      • Kauern
T. Witzke & F. Rüger: Lapis 1998 (7/8)
Italy
 
  • Piedmont
    • Cuneo Province
      • Roburent
        • San Giacomo
          • I Cardin
Piccoli et al. (2007)
Namibia
 
  • Erongo Region
    • Karibib Constituency
Joan Rosell
Poland
 
  • Lower Silesian Voivodeship
    • Karkonosze County
      • Gmina Stara Kamienica
        • Kopaniec
Mochnacka et al. (2015)
      • Kowary
Mochnacka et al. (2012) +1 other reference
Portugal
 
  • Viseu
    • Mangualde
      • Tavares (Chãs; Várzea e Travanca)
        • Tragos
Russia
 
  • Buryatia
    • Baunt District
      • Vitim Plateau
Pavel.M. Kartashov (n.d.)
Tajikistan (TL)
 
  • Sughd
    • Ghafurov District
      • Adrasmon (Adrasman)
Pekov (1998)
USA
 
  • New Mexico
    • Cibola County
      • Laguna subdistrict
Northrop et al. (1996)
Northrop et al. (1996)
Northrop et al. (1996)
  • New York
    • Fulton County
      • Mayfield
Lupulescu et al. (2013)
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